The challenge for Baekeland and his rivals was to find some set of conditions — some slippery ratio of in GREdients and heat and pressure that would yield a more workable, shellac-like substance.

贝克兰和他的对手面临的共同挑战就是要找到某组条件——某种难以掌握的成份比率及热量和压力——能生产出更有效的类似紫胶的东西。

youdao

The challenge for Baekeland and his rivals was to find some set of conditions----some slippery ratio of ingredients and heat and pressure that would yield a more workable, shellac-like substance.

贝克兰和他的对手面临的共同挑战就是要找到某组条件——某种难以掌握的成份比率及热量和压力——能生产出更有效的类似紫胶的东西。

youdao

Of course, women who focus on style over substance eventually find what they want: a devilishly handsome man who is oh-so-smooth and sophisticated.

当然，那些关注外表超过一切的女人终究会找到她们想要的：一个超级帅哥，知冷知热，世故有礼。

youdao

The female mosquito uses its thin sucking tube to break the skin, find blood and inject the victim with a substance that keeps blood flowing.

VOA: special.2009.05.26

To get Anderson localisation to operate in a random laser has not been easy, mainly because it is hard to find a substance that both acts as a high-gain medium and scatters light very strongly.

ECONOMIST: Microlasers

Researchers are now considering whether to push ahead towards clinical trials to find if the substance has a similar effect in humans.

BBC: Child with Down's syndrome

It also makes sense to help a loved one with a substance abuse problem find and get treatment if that loved one is willing.

FORBES: The Scary Trend Of Boomer Addiction